QTIPS - Unassigned

Published By	Date	Version	Knowledge Level	Keywords
Sprezzatura Ltd	01 MAY 1989	1.13+	EXPERT	UNASSIGNED

There is a system function called UNASSIGNED which if passed the variable to be tested returns a 0 or a 1 depending on whether the variable is assigned or not. Usage is simple - EG

   SUBROUTINE TCL.SUB(BRANCH)
   DECLARE FUNCTION UNASSIGNED
   *
   IF UNASSIGNED (BRANCH) THEN
        BRANCH = "TCL"
   END

(Volume 1, Issue 1, Page 2)